Latex Beamer - package beamercolor

Manual.
You can download the .sty file: here BeamerColor.sty
create a folder in your latex file directory

/usr/share/texmf-texlive/tex/latex/

the path can differ from the path above (e.g. if you use TeTeX).
copy the example.sty file in this directory

cp /home/me/pathtopackage/example.sty /usr/share/texmf-texlive/tex/latex/

run

sudo mktexlsr

add the line \usepackage{example} to you document